:root {
    --bg-a: #f2f9f4;
    --bg-b: #f8fcf9;
    --text-main: #1e293b;
    --text-muted: #617085;
    --card-bg: rgba(255, 255, 255, 0.95);
    --card-border: rgba(130, 160, 140, 0.25);
    --primary: #287f55;
    --primary-soft: #e8f6ee;
    --primary-alt: #2f9b8a;
    --accent-soft: #d5a25c;
    --success: #0f9f6e;
    --danger: #c53d56;
    --shadow: 0 10px 24px rgba(30, 84, 49, 0.08);
    --radius-lg: 20px;
    --radius-md: 14px;
}
body{-webkit-user-select:none;-moz-user-select:-moz-none;
-ms-user-select:none;user-select:none}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

button,
[role="button"],
.btn,
.preset-card,
.upload-box,
select,
input {
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: "Plus Jakarta Sans", "Segoe UI", sans-serif;
    color: var(--text-main);
    min-height: 100vh;
    background:
        radial-gradient(circle at 8% 10%, #def2e4 0%, transparent 34%),
        radial-gradient(circle at 90% 12%, #e7f7f0 0%, transparent 26%),
        radial-gradient(circle at 50% 0%, rgba(213, 162, 92, 0.09) 0%, transparent 18%),
        linear-gradient(145deg, var(--bg-a), var(--bg-b));
}

.app-shell {
    --shell-pad: clamp(12px, 2vw, 24px);
    width: min(1160px, 100vw);
    margin: 0 auto;
    min-height: 100vh;
    padding: 12px var(--shell-pad) 18px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    backdrop-filter: blur(5px);
}

.hero {
    margin-inline: 0;
    padding: 22px 28px;
    display: flex;
    justify-content: center;
    background: #ffffff;
    position: relative;
}

.hero::before {
    content: none;
}

.hero-badge {
    display: inline-block;
    margin-bottom: 12px;
    padding: 6px 12px;
    border-radius: 999px;
    background: var(--primary-soft);
    color: var(--primary);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.2px;
}

.hero h1 {
    font-size: clamp(31px, 4.8vw, 45px);
    margin: 0;
    line-height: 1.02;
    letter-spacing: -0.025em;
    font-weight: 800;
    color: #111827;
}

.hero p {
    color: var(--text-muted);
    font-size: 15px;
}

.hero-brand-block {
    display: grid;
    gap: 7px;
    justify-items: center;
    width: min(1060px, 100%);
    margin: 0 auto;
    padding: 0;
    text-align: center;
}

.hero-subtitle {
    margin: 0;
    color: #5f6978;
    font-size: clamp(13px, 1.9vw, 17px);
    font-weight: 500;
    letter-spacing: -0.005em;
    text-align: center;
}

.main-grid {
    display: grid;
    gap: 18px;
}

.control-card,
.result-card {
    padding: 22px;
}

.control-card h2,
.result-header h2 {
    font-size: 21px;
    margin-bottom: 14px;
}

.upload-box {
    border: 1.5px dashed #b6cfbe;
    background: #f7fcf8;
    border-radius: var(--radius-md);
    padding: 14px;
    width: 100%;
    max-width: 760px;
    margin: 0 auto;
    text-align: center;
    cursor: pointer;
    display: grid;
    gap: 10px;
    justify-items: center;
    align-content: center;
    min-height: 220px;
    position: relative;
    overflow: hidden;
    transition: border-color 0.15s ease, background 0.15s ease;
}

.upload-box.has-image {
    border-color: #67a77f;
}

.upload-box:focus-visible {
    outline: none;
    box-shadow: none;
}

#uploadPreviewImage {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: #eef3fb;
    display: none;
}

.upload-placeholder {
    position: relative;
    z-index: 1;
    display: grid;
    gap: 6px;
    justify-items: center;
    width: 100%;
}

.upload-title {
    font-weight: 700;
    margin-bottom: 4px;
}

.upload-subtitle {
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 2px;
}

.upload-box.has-image .upload-subtitle {
    color: #dbe8ff;
}

.section-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 10px;
}

.section-row h3 {
    font-size: 17px;
}

.hint {
    color: #5f7499;
    font-size: 12px;
    font-weight: 600;
}

.helper-text {
    color: var(--text-muted);
    font-size: 13px;
    margin-top: 6px;
}

code {
    font-family: "Consolas", "Courier New", monospace;
    font-size: 12px;
    background: #eef4ff;
    color: #31568a;
    padding: 1px 5px;
    border-radius: 6px;
}

.preset-categories {
    margin-top: 12px;
    display: grid;
    gap: 12px;
}

.preset-category {
    border: 1px solid #dbe4f3;
    background: #fcfdff;
    border-radius: 12px;
    padding: 12px;
}

.preset-category h4 {
    font-size: 14px;
    margin-bottom: 8px;
    color: #274a7f;
}

.preset-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
}

.preset-placeholder {
    border: 1px dashed #bfd0ea;
    border-radius: 12px;
    background: #f7faff;
    padding: 16px;
    text-align: center;
}

.preset-placeholder-title {
    font-weight: 700;
    color: #2c4f7d;
}

.preset-placeholder-subtitle {
    color: #5f7499;
    font-size: 13px;
    margin-top: 6px;
}

.preset-card {
    border: 1px solid #d7e2f4;
    border-radius: 11px;
    background: #fff;
    padding: 8px;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.preset-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 18px rgba(32, 83, 160, 0.12);
    border-color: #a7c0e9;
}

.preset-card.active {
    border-color: #89b89a;
    box-shadow: 0 0 0 3px rgba(96, 146, 113, 0.18);
}

.preset-empty {
    grid-column: 1 / -1;
    border: 1px dashed #cfdbef;
    border-radius: 9px;
    padding: 12px;
    text-align: center;
    color: #5f7499;
    font-size: 13px;
    background: #f7faff;
}

.preset-thumb {
    width: 100%;
    aspect-ratio: 4 / 3;
    border-radius: 8px;
    overflow: hidden;
    background: linear-gradient(140deg, #dbe7f8, #eff5ff);
    display: grid;
    place-items: center;
    color: #4d6488;
    font-size: 12px;
    text-align: center;
}

.preset-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.preset-name {
    margin-top: 6px;
    font-size: 12px;
    font-weight: 600;
    color: #344a70;
    text-align: center;
}

.field-grid {
    margin-top: 16px;
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
}

.field {
    display: grid;
    gap: 6px;
}

.field span {
    font-size: 12px;
    font-weight: 600;
    color: #466086;
}

.required-star {
    color: #d23f57;
    font-weight: 700;
    margin-left: 2px;
}

.field input,
.field select {
    width: 100%;
    border: 1px solid #d4def0;
    border-radius: 10px;
    font: inherit;
    font-size: 16px;
    min-height: 46px;
    padding: 10px 12px;
    background: #fff;
    color: var(--text-main);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.field select {
    appearance: none;
    -webkit-appearance: none;
    background-image:
        linear-gradient(45deg, transparent 50%, #5877a0 50%),
        linear-gradient(135deg, #5877a0 50%, transparent 50%);
    background-position:
        calc(100% - 18px) calc(50% - 3px),
        calc(100% - 12px) calc(50% - 3px);
    background-size: 6px 6px, 6px 6px;
    background-repeat: no-repeat;
    padding-right: 34px;
}

.field input:focus,
.field select:focus {
    outline: none;
    border-color: #9cc6aa;
    box-shadow: none;
}

.action-row {
    margin-top: 16px;
    display: flex;
    gap: 10px;
    flex-direction: column;
}

.btn {
    border: 0;
    border-radius: 11px;
    padding: 11px 16px;
    font: inherit;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.15s ease, opacity 0.15s ease, box-shadow 0.15s ease;
}

.upload-box:focus,
.upload-box:focus-visible,
.preset-card:focus,
.preset-card:focus-visible,
.btn:focus,
.btn:focus-visible,
.preset-sheet-backdrop:focus {
    outline: none;
    box-shadow: none;
}

.action-row .btn {
    width: 100%;
}

.btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
    transform: none;
}

.btn-primary {
    color: #fff;
    background: linear-gradient(135deg, #2f9561, #2f9b8a);
    box-shadow: 0 8px 18px rgba(31, 113, 69, 0.24);
}

.btn-primary:not(:disabled):hover {
    transform: translateY(-1px);
}

.btn-secondary {
    background: #e9f0ff;
    color: #1d4f99;
}

.btn-ghost {
    border: 1px solid #d5e0f3;
    background: #fff;
    color: #35537f;
}

.status-text {
    margin-top: 10px;
    font-size: 13px;
    min-height: 18px;
    color: var(--text-muted);
}

.status-text.error {
    color: var(--danger);
}

.status-text.success {
    color: var(--success);
}

.selected-chip {
    margin-top: 12px;
    display: inline-flex;
    padding: 7px 12px;
    border-radius: 999px;
    background: #edf8f0;
    color: #406a4d;
    font-size: 12px;
    font-weight: 600;
    width: fit-content;
}

.preset-sheet {
    position: fixed;
    inset: 0;
    z-index: 50;
    display: grid;
    align-items: end;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}

.preset-sheet-backdrop {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
    background: rgba(15, 23, 42, 0.48);
    opacity: 0;
    transition: opacity 0.2s ease;
}

.preset-sheet-panel {
    position: relative;
    background: rgba(255, 255, 255, 0.98);
    border-radius: 20px 20px 0 0;
    border: 1px solid #d4e0f3;
    border-bottom: 0;
    width: min(960px, 100%);
    margin: 0 auto;
    max-height: 82vh;
    overflow: auto;
    padding: 10px 14px 20px;
    box-shadow: 0 -20px 38px rgba(21, 56, 110, 0.24);
    transform: translateY(20px);
    opacity: 0;
    transition: transform 0.25s ease, opacity 0.25s ease;
    will-change: transform, opacity;
}

.preset-sheet.is-open {
    opacity: 1;
    pointer-events: auto;
}

.preset-sheet.is-open .preset-sheet-backdrop {
    opacity: 1;
}

.preset-sheet.is-open .preset-sheet-panel {
    transform: translateY(0);
    opacity: 1;
}

.preset-sheet-handle {
    width: 52px;
    height: 5px;
    border-radius: 999px;
    background: #b9c7df;
    margin: 2px auto 12px;
}

.sheet-close-btn {
    margin-top: 12px;
    width: 100%;
}

body.sheet-open {
    overflow: hidden;
}

.hidden {
    display: none;
}

.site-footer {
    margin-top: auto;
    margin-inline: calc(-1 * var(--shell-pad));
    border-radius: 0;
    border-top: 1px solid #dbe9df;
    border-left: 0;
    border-right: 0;
    border-bottom: 0;
    background: #ffffff;
    padding: 12px var(--shell-pad) 14px;
    text-align: center;
}

.footer-note {
    margin: 0;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.01em;
    color: #5a6b62;
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: end;
    gap: 12px;
    margin-bottom: 14px;
}

#resultMeta {
    color: var(--text-muted);
    font-size: 13px;
}

.result-primary {
    border: 1px solid #d7e2f4;
    border-radius: 14px;
    padding: 16px;
    background: #fcfdff;
}

.result-title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-bottom: 6px;
}

.result-title h3 {
    font-size: 20px;
}

.confidence-pill {
    padding: 5px 10px;
    border-radius: 999px;
    background: #edf4ff;
    color: #234f8d;
    font-weight: 700;
    font-size: 12px;
}

.detail-grid {
    margin-top: 12px;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.detail-box {
    border: 1px solid #e2e8f4;
    border-radius: 10px;
    padding: 10px;
    background: #fff;
}

.detail-box h4 {
    font-size: 12px;
    color: #54719a;
    margin-bottom: 4px;
}

.detail-box p,
.detail-box ul {
    font-size: 14px;
    line-height: 1.45;
    color: #29435f;
}

.detail-box ul {
    margin-left: 16px;
}

.considered-box {
    margin-top: 12px;
    border-top: 1px solid #e3ebf5;
    padding-top: 12px;
}

.considered-box h4 {
    font-size: 12px;
    color: #54719a;
    margin-bottom: 8px;
}

.considered-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.considered-item {
    display: inline-flex;
    align-items: center;
    border: 1px solid #dbe6f4;
    border-radius: 999px;
    background: #f8fbff;
    color: #3f577b;
    font-size: 12px;
    font-weight: 600;
    padding: 5px 10px;
}

.prediction-group {
    margin-top: 16px;
}

.prediction-group h3 {
    font-size: 17px;
    margin-bottom: 10px;
}

.prediction-list {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
}

.prediction-card {
    border: 1px solid #dce5f5;
    border-radius: 12px;
    background: #fff;
    padding: 12px;
    display: grid;
    gap: 8px;
}

.prediction-card h4 {
    font-size: 15px;
}

.prediction-card p {
    font-size: 13px;
    color: #3f5a7e;
}

.confidence-track {
    width: 100%;
    height: 8px;
    background: #e8eef9;
    border-radius: 999px;
    overflow: hidden;
}

.confidence-fill {
    height: 100%;
    background: linear-gradient(90deg, #2f9561, #5aae78);
}

.prediction-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: #4f6688;
}

.spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.45);
    border-top-color: #fff;
    border-radius: 50%;
    display: inline-block;
    vertical-align: middle;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

@media (min-width: 740px) {
    .field-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .prediction-list {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .action-row {
        flex-direction: row;
    }

    .action-row .btn {
        width: auto;
    }

    .preset-sheet-panel {
        padding: 12px 20px 22px;
    }

}

@media (min-width: 1060px) {
    .app-shell {
        padding-inline: clamp(20px, 3vw, 30px);
    }

    .field-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .prediction-list {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .preset-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .upload-box {
        max-width: 820px;
        min-height: 240px;
    }
}

@media (max-width: 740px) {
    .app-shell {
        --shell-pad: 10px;
        padding-top: 10px;
        padding-inline: var(--shell-pad);
    }

    .hero {
        padding: 16px;
    }

    .control-card,
    .result-card {
        padding: 16px;
    }

    .field-grid,
    .prediction-list,
    .detail-grid {
        grid-template-columns: 1fr;
    }

    .result-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .result-title {
        flex-direction: column;
        align-items: flex-start;
    }

    .action-row {
        flex-direction: column;
    }

    .upload-box {
        max-width: none;
        min-height: 220px;
    }

    .field select {
        min-height: 48px;
        border-radius: 12px;
    }

    .hero h1 {
        font-size: clamp(30px, 9vw, 38px);
    }

    .hero-subtitle {
        font-size: 15px;
    }

    .site-footer {
        padding: 12px var(--shell-pad) 13px;
    }

    .footer-note {
        font-size: 12px;
    }
}